{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1966617",
    "entityType": "User",
    "nonce": "0x4b52c0971d7f5d6a052cb274022a0c971ecc087a46c7a7903dfc9402cb446486",
    "signature": "0x453a65f435acb7eb6a43331756c1e492bd94e621aa3ed805c2efd7e21630afd96cdba02f2e5aa48b587bf34913363a0f4059e1d9008bd6c8ae2c934084339a3f1c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}